<template>
  <div class="type-nav">
    <div class="container" @mouseleave="nav = false">
      <h2 class="all" @mouseenter="nav = true">全部商品分类</h2>
      <nav class="nav">
        <a href="###">服装城</a>
        <a href="###">美妆馆</a>
        <a href="###">尚品汇超市</a>
        <a href="###">全球购</a>
        <a href="###">闪购</a>
        <a href="###">团购</a>
        <a href="###">有趣</a>
        <a href="###">秒杀</a>
      </nav>
      <transition name="xxx">
        <div class="sort" v-show="$route.name === 'home' ? true : nav">
          <div
            class="all-sort-list2"
            @mouseleave="act = -1"
            @click="handleclick"
          >
            <div
              class="item"
              @mouseenter="mouen(index)"
              v-for="(item, index) in navList"
              :key="item.categoryId"
            >
              <h3>
                <a href="javascript:;" :data-id="1 + '-' + item.categoryId">{{
                  item.categoryName
                }}</a>
              </h3>
              <div
                :class="act === index ? 'act' : ''"
                class="item-list clearfix"
              >
                <div class="subitem">
                  <dl
                    class="fore"
                    v-for="it in item.categoryChild"
                    :key="it.categoryId"
                  >
                    <dt>
                      <a
                        href="javascript:;"
                        :data-id="2 + '-' + it.categoryId"
                        >{{ it.categoryName }}</a
                      >
                    </dt>
                    <dd>
                      <em v-for="i in it.categoryChild" :key="i.categoryId">
                        <a
                          href="javascript:;"
                          :data-id="3 + '-' + i.categoryId"
                          >{{ i.categoryName }}</a
                        >
                      </em>
                    </dd>
                  </dl>
                </div>
              </div>
            </div>
          </div>
        </div>
      </transition>
    </div>
  </div>
</template>

<script>
import _ from "lodash";
import {mapActions,mapState} from 'vuex'
export default {
  name: "typenav",
  data() {
    return {
      nav: this.$route.meta.showNav,
      act: -1,
      typenav: [],
    };
  },
  computed:{
    ...mapState({
      navList:({navList})=>navList.navList
    })
  },
  methods: {
    ...mapActions(['getnavList']),
    mouen: _.throttle(function (index) {
      this.act = index;
    }, 50),
    handleclick(e) {
      if (!e.target.children.length) {
        this.$router.push({
          name: "search",
          params: {
            keyword: this.$route.params.keyword,
          },
          query: {
            categoryid: e.target.dataset.id,
            categoryname: e.target.innerHTML,
          },
        });
      }
    },
  },
  async created() {
  this.getnavList();
    // console.log(data);
  },
};
</script>

<style scoped lang="less">
.xxx-leave-active {
  transition: 0.2s all;
}
.xxx-leave-to {
  opacity: 0;
}
.xxx-enter {
  opacity: 0;
}
.xxx-enter-active {
  transition: 0.2s all;
}
.xxx-leave-to {
  opacity: 1;
}
.type-nav {
  border-bottom: 2px solid #e1251b;

  .container {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    position: relative;

    .all {
      width: 210px;
      height: 45px;
      background-color: #e1251b;
      line-height: 45px;
      text-align: center;
      color: #fff;
      font-size: 14px;
      font-weight: bold;
    }

    .nav {
      a {
        height: 45px;
        margin: 0 22px;
        line-height: 45px;
        font-size: 16px;
        color: #333;
      }
    }

    .sort {
      position: absolute;
      left: 0;
      top: 45px;
      width: 210px;
      height: 461px;
      background: #fafafa;
      z-index: 999;

      .all-sort-list2 {
        .item {
          h3 {
            line-height: 28px;
            font-size: 14px;
            font-weight: 400;
            overflow: hidden;
            padding: 0 20px;
            margin: 0;

            a {
              color: #333;
            }
          }

          .item-list {
            display: none;
            position: absolute;
            width: 734px;
            min-height: 460px;
            background: #f7f7f7;
            left: 210px;
            border: 1px solid #ddd;
            top: 0;
            z-index: 9999 !important;

            .subitem {
              float: left;
              width: 650px;
              padding: 0 4px 0 8px;

              dl {
                border-top: 1px solid #eee;
                padding: 6px 0;
                overflow: hidden;
                zoom: 1;

                &.fore {
                  border-top: 0;
                }

                dt {
                  float: left;
                  width: 54px;
                  line-height: 22px;
                  text-align: right;
                  padding: 3px 6px 0 0;
                  font-weight: 700;
                }

                dd {
                  float: left;
                  width: 415px;
                  padding: 3px 0 0;
                  overflow: hidden;

                  em {
                    float: left;
                    height: 14px;
                    line-height: 14px;
                    padding: 0 8px;
                    margin-top: 5px;
                    border-left: 1px solid #ccc;
                  }
                }
              }
            }
          }

          .act {
            display: block;
          }
        }
      }
    }
  }
}
</style>